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Underwater acoustic interferometer

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1 Author(s)
Lee, J. ; Naval Ship Research & Development Laboratory, Panama City, FL, USA

Measurements have been made showing the limitations a seawater medium imposes on the resolving power of underwater acoustic equipment. An interferometer was designed that is capable of measuring the "visibility"' of the interference fringes in the far field of an acoustic radiator. Phase and amplitude fluctuations of the divided acoustic wavefront are analyzed utilizing correlation techniques.

Published in:

Engineering in the Ocean Environment - Digest of Technical Papers, 1970 IEEE International Conference on

Date of Conference:

0-0 Sept. 1970